From 70769ee04b3667287d8c5b754b3198c652c286a5 Mon Sep 17 00:00:00 2001
From: Max Horn <max@quendi.de>
Date: Wed, 25 Dec 2002 00:46:34 +0000
Subject: [PATCH] fixed invalid memory access

svn-id: r6110
---
 gui/newgui.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gui/newgui.cpp b/gui/newgui.cpp
index ec7fb3802da..f280b308c7e 100644
--- a/gui/newgui.cpp
+++ b/gui/newgui.cpp
@@ -116,7 +116,7 @@ void NewGui::runLoop()
 		didSaveState = true;
 	}
 
-	while (activeDialog == _dialogStack.top()) {
+	while (!_dialogStack.empty() && activeDialog == _dialogStack.top()) {
 
 		activeDialog->handleTickle();